7 किताबों का मूल्य 105 रु. है ; तो 15 किताबोंका मूल्य ज्ञात करे ? please solve the question step by step
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Answer:
price of 15 books is ₹225
Step-by-step explanation:
cost of 7 books = ₹ 105
cost of 1 book = 105÷7
= ₹ 15
cost of such 15 books = 15×15
= ₹ 225
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